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/*******************************************************************************
 * Copyright (c) 2000, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.jface.text;

/**
 * Extension interface {@link org.eclipse.jface.text.IInformationControl}.
 * 
 * As it is the responsibility of the implementer of
 * {@link org.eclipse.jface.text.IInformationControl} and
 * {@link org.eclipse.jface.text.IInformationControlExtension2} to specify the
 * concrete nature of the information control's input, only the implementer can
 * know whether it has something to show or not.
 *
 * @since 2.0
 */
public interface IInformationControlExtension {

	/**
	 * Returns whether this information control has contents to be displayed.
	 *
	 * @return true if there is contents to be displayed.
	 */
	boolean hasContents();
}